نتایج جستجو برای: 23 2614 jafari
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0009-2614/$ see front matter 2010 Elsevier B.V. A doi:10.1016/j.cplett.2010.05.075 * Corresponding author. E-mail address: [email protected] (D.M. Mittleman) We describe the observation of a broad and strongly temperature-dependent peak in the terahertz absorption spectrum of several linear n-alkanes. On cooling from the liquid into the rotator phase, the absorption is enhanced within a very narr...
0009-2614/$ see front matter 2011 Elsevier B.V. A doi:10.1016/j.cplett.2011.08.063 ⇑ Corresponding authors. Address: Department California, Berkeley, CA 94720, USA. Fax: +1 510 642 E-mail addresses: [email protected] (D. Pren edu (R.J. Saykally) The dissolution of carbon dioxide in water and the ensuing hydrolysis reactions are of profound importance for understanding the behavior and contr...
0009-2614/$ see front matter 2009 Elsevier B.V. A doi:10.1016/j.cplett.2009.03.035 * Corresponding author. Fax: +48 71 32 82 348. E-mail address: [email protected] (M. Witwicki The g-tensor components and isotropic hyperfine constants of solvent-affected radical anion from 3,4dihydroxybenzoic acid were computed at UBP86/EPR-II level and correlated with the molecular and electronic structures. T...
Article history: Received 22 April 2008 In final form 18 June 2008 Available online 25 June 2008 0009-2614/$ see front matter 2008 Elsevier B.V. A doi:10.1016/j.cplett.2008.06.061 * Corresponding author. Fax: +1 765 494 0239. E-mail addresses: [email protected] (A. Fer (P. Serra), [email protected] (S. Kais). We present dimensional scaling calculations for the critical parameters needed to...
0009-2614/$ see front matter 2010 Elsevier B.V. A doi:10.1016/j.cplett.2010.08.019 * Fax: +972 2 651 3742. E-mail address: [email protected] The residence time of a diffusing particle in a prescribed spatial region recently finds an increasing number of applications in physics and chemistry. A partial differential equation for the residence time moments is derived, as a generalization of the ...
0009-2614/$ see front matter 2008 Elsevier B.V. A doi:10.1016/j.cplett.2008.08.074 * Fax: +44 01234 264722. E-mail address: [email protected] Here we introduce a new topological approach which provides a good model for the stability of linear and branched alkanes as well as the strain energy of cycloalkanes. We find that the ratio of 1,3-interactions with respect to the total number of 1,2-, ...
We propose an approach for developing efficient search algorithms through genetic programming. Focusing on the game of chess we evolve entire game-tree search algorithms to solve the Mate-In-N problem: find a key move such that even with the best possible counterplays, the opponent cannot avoid being mated in (or before) move N . We show that our evolved search algorithms successfully solve sev...
INTRODUCTION Rotavirus is a leading cause of acute gastroenteritis in children. Although the clinical complaints associated with rotavirus are generally gastrointestinal, including vomiting and diarrhea, data suggest that it can also cause symptoms that extend beyond the gastrointestinal tract. CASE PRESENTATIONS We report three pediatric cases of rotavirus infection: one accompanied by encep...
Article history: Received 7 November 2009 In final form 9 December 2009 Available online 22 December 2009 0009-2614/$ see front matter 2009 Elsevier B.V. A doi:10.1016/j.cplett.2009.12.027 * Corresponding author. E-mail address: [email protected] (R.I. Kaiser). We have investigated the ionization potentials of resonantly stabilized C4H3 radicals utilizing laser ablation of graphite in combinatio...
0009-2614/$ see front matter 2009 Elsevier B.V. A doi:10.1016/j.cplett.2009.06.069 * Corresponding author. Fax: +61 2 9351 7726. E-mail address: [email protected] (S. Ku Molecular dynamics (MD) simulations are mostly performed using non-polarizable force fields. This approximation works in homogeneous systems but there are situations – such as pores, cavities and interfaces – where an ...
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